Ratio, decimal place, Standard form

What is the ratio of 2 apples to 3 oranges?

• 1:3

• 2:3
  

• 3:1
  

• 3:2

A fruit basket contains 12 apples, 8 bananas, 4 oranges, and 5 grapes. What is the ratio of apples to grapes?

• 8:5

• 12:5

• 5:12

• 5:4

The ratio of money shared between three friends, A, B, and C, is 3:5:7. How many parts are there in total?

• 25

• 20

• 25

• 15
  

The ratio of the weights of three parcels is 4:6:10. If the total weight of the parcels is 80 kg, what is the value of one part?

• 2 kg
  

• 8 kg

• 5 kg
  

• 4 kg
  

The ratio of boys to girls in a class is 3:5. If there are 24 boys, how many girls are there?

• 40
  

• 45

• 30
  

• 35
  

At a pizza party, the ratio of pepperoni slices to cheese slices to veggie slices is 5:3:2. If there are 50 pepperoni slices, how many slices of each type are there in total?

• 40 pepperoni, 25 cheese, 15 veggie
  

• 50 pepperoni, 30 cheese, 20 veggie
  

• 50 pepperoni, 25 cheese, 10 veggie
  

• 50 pepperoni, 35 cheese, 25 veggie

Round 0.0046 to two decimal places.

• 0.00
  

• 0.01

• 0.005
  

• 0.006

Round 3.4567 to three decimal places.

• 3.45
  

• 3.456
  

• 3.457
  

• 3.46

Which of the following is the standard form of 450?

• 4.5 x 10^3
• 45 x 10^1
• 4.5 x 10^2
• 4.5x 10^1

Which of the following is the standard form of 850,000?

• 85 x 10^4
• 850 x 10^3
• 8.5 x 10^4
• 8.5 x 10^5